为探讨婴幼儿的死亡原因及相关因素 ,以提高抢救成功率 ,降低病死率。对我院急诊室 4年收治的危重症患儿 2 79例进行回顾性分析。结果急诊危重症死亡以新生儿及婴幼儿为主 ,新生儿占死亡率首位。导致死亡的主要原因为早产、窒息后综合征、先天畸形。其中先天畸形有逐年上升趋势 To explore the causes of infant deaths and related factors in order to improve the success rate of rescue and reduce mortality. A retrospective analysis was performed on 2 79 critically ill children admitted to our emergency department for 4 years. Results The critical deaths in emergency were neonatal and infants and neonates accounted for the highest death rate. The main cause of death is premature birth, post-suffocation syndrome, congenital malformations. Congenital malformations have a rising trend year by year